Originally Posted by Norcoredneck
Keep in mind your fuel consumption will go up. With 3 plugs out, more air=more fuel.
My four intakes holes are 1/2 inch, most of the time 2-3 are usually what I leave open. Looked in it this morning and there's still quite a bit of fuel left and the oak wood pieces are completely gone. Before I would usually find a piece or two unburned because the drippings seemed to hamper the combustion.